Serration
n. 锯齿状, 锯齿边\\n[医] 锯齿形, 锯齿构造
📖 牛津释义
serration
n
1 [U] being serrated 锯齿状.
2 C] notch on a serrated edge 锯齿形边缘的凹口.
🗣️ 情景例句
How was your weekend?
你们的周末过得怎么样
As the touchstone tries gold, so gold tries man.
试金石可以试金，正如黄金可以试人。
All at once, I noticed that my wife seemed to be filled with alarm.
突然，我注意到妻子十分惊恐。